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Three waves of equal frequencies having ...

Three waves of equal frequencies having amplitudes `10 mu m, 4mu m and 7 mum ` arrive at a given point with successive phase difference of `pi//2`.
The amplitude of the resulting wave in `mu` m is given by

A

7

B

6

C

5

D

4

Text Solution

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The correct Answer is:
C
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MOTION-WAVES-EXERCISE -2 (Level -I) (Objective Problems JEE Main)
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  2. A string of 7 m length has a mass of 0.035 kg. If tension in the strin...

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  3. Three waves of equal frequencies having amplitudes 10 mu m, 4mu m and ...

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  4. In the figure the intensity of waves arriving at D from two coherent s...

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  7. there are three strings RP, Pqand QS as shown. Their mass and length a...

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  8. Two pulses in a stretched string whose centres are initially 8 cm apar...

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  10. A harmonic wave is travelling on string 1. At a junction with string 2...

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  19. A standing wave pattern of amplitude A in a string of length L shows 2...

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  20. The equation of a wave distrubance is a given as y= 0.02 sin ((pi)/(...

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